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KX-TG9581B/KX-TG9582B/KX-TGA950B
9.1.1.
Check Power
9.1.1.1.
Base Unit
9.1.1.1.1.
Adapter starting
Note:
(*1) Refer to
(P.7) for part number and supply voltage of AC adaptor.
Cross Reference:
Power Supply Circuit
Is the input voltage of Q903(2) about
5.5 V?
Check F900, C902, D901, C916, C920, C921,
C912
Check Power Circuit.
Is D1001 cathode voltage more than 2.6V?
Is the collector of Q607 about 3.0V?
Check Master_BBIC(IC601) and Flash_Memory
(IC603) and EEPROM(IC604)
Does BBIC(IC601:U11) oscillate at 10.368MHz?
is BBIC(IC601:B8) High?
Check Master_BBIC (IC601) and X601.
YES
YES
YES
YES
NO
NO
YES
Is the collector of Q606 about 1.8V?
YES
Is the output voltage of IC905(3) about 3.4V?
YES
Check AC Adaptor.
OK
NO
Check Q606, C612, R613, C613 and
Master_BBIC(IC601:M3)
NO
NO
Check L902, IC905, R903, C914, R910, R917,
C918 and Master_BBIC(IC601:T2, U1, U2)
NO
Check C620, R612, Q607, R617, R618, C621 and
Master_BBIC(IC601:T10, V11)
Is the collector of Q701 about 1.8V?
NO
Check R702, Q701, C703, and Slave_BBIC
(IC701:24)
(*1)
Содержание KX-TGA950B
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